static public List <Hex> HexLinedraw(Hex a, Hex b)
{
int N = Hex.Distance(a, b);
FractionalHex a_nudge = new FractionalHex(a.q + 0.000001, a.r + 0.000001, a.s - 0.000002);
FractionalHex b_nudge = new FractionalHex(b.q + 0.000001, b.r + 0.000001, b.s - 0.000002);
List <Hex> results = new List <Hex> {
};
double step = 1.0 / Math.Max(N, 1);
for (int i = 0; i <= N; i++)
{
results.Add(FractionalHex.HexRound(FractionalHex.HexLerp(a_nudge, b_nudge, step * i)));
}
return(results);
}
static public Hex HexRound(FractionalHex h)
{
int q = (int)(Math.Round(h.q));
int r = (int)(Math.Round(h.r));
int s = (int)(Math.Round(h.s));
double q_diff = Math.Abs(q - h.q);
double r_diff = Math.Abs(r - h.r);
double s_diff = Math.Abs(s - h.s);
if (q_diff > r_diff && q_diff > s_diff)
{
q = -r - s;
}
else
if (r_diff > s_diff)
{
r = -q - s;
}
else
{
s = -q - r;
}
return(new Hex(q, r, s));
}
static public FractionalHex HexLerp(FractionalHex a, FractionalHex b, double t)
{
return(new FractionalHex(a.q * (1 - t) + b.q * t, a.r * (1 - t) + b.r * t, a.s * (1 - t) + b.s * t));
}
